000 00309nam a2200145Ia 4500
008 190201s9999 xx 000 0 und d
082 _a621
082 _b4021 B
100 _aBhaskaran K.A.
245 0 _aProblems In Engineering
260 _aNew Delhi
260 _bTMH
260 _c1978
300 _a261
999 _c21849
_d21849